.
Thread 3 (process 10671):
#0  0x00002b362a9a39c2 in select () from /lib/libc.so.6
#1  0x00002b3628f2d924 in fl_wait () from /usr/lib/libfltk.so.1.1
#2  0x00002b3628ee9e17 in Fl::wait () from /usr/lib/libfltk.so.1.1
#3  0x00002b3628ee9eed in Fl::wait () from /usr/lib/libfltk.so.1.1
#4  0x000000000040491f in ?? ()
#5  0x00002b362a8f88e4 in __libc_start_main () from /lib/libc.so.6
#6  0x000000000040461a in ?? ()
#7  0x00007fff81c1f698 in ?? ()
#8  0x0000000000000000 in ?? ()
.
Thread 2 (process 10678):
#0  0x00002b36292c7fdb in ?? () from /lib/libpthread.so.0
#1  0x00002b3629d8f9bf in snd_seq_hw_read (seq=<value optimized out>, buf=0x5509c0, len=14000) at seq_hw.c:328
	result = <value optimized out>
#2  0x00002b3629d90075 in snd_seq_event_read_buffer (seq=0x3) at seq.c:3934
	len = <value optimized out>
#3  0x00002b3629d90da5 in snd_seq_event_input (seq=0x3, ev=0x5509c0) at seq.c:4000
	err = <value optimized out>
	__PRETTY_FUNCTION__ = "snd_seq_event_input"
#4  0x000000000040c561 in ?? ()
#5  0x000000000040506b in ?? ()
#6  0x00002b36292c12a5 in start_thread () from /lib/libpthread.so.0
#7  0x00002b362a9aa61d in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()
.
Thread 1 (process 10677):
#0  0x000000000040b50e in ?? ()
#1  0x0000000000404de2 in ?? ()
#2  0x00002b3629fdfee1 in jack_client_thread (arg=0x5675c0) at client.c:1469
	client = <value optimized out>
	control = (volatile struct {...} *) 0x2b362d2c9000
	event = {type = GraphReordered, x = {n = 4, port_id = 4, self_id = 4}, y = {n = 0, ptid = 0, other_id = 0}}
	status = 0 '\0'
	c = 0 '\0'
#3  0x00002b3629fe339e in jack_thread_proxy (varg=0x550390) at thread.c:111
	arg = <value optimized out>
	work = (void *(*)(void *)) 0x2b3629fdfd50 <jack_client_thread>
	warg = (void *) 0x5675c0
	client = <value optimized out>
#4  0x00002b36292c12a5 in start_thread () from /lib/libpthread.so.0
#5  0x00002b362a9aa61d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()